// Console-polyfill. MIT license.
// https://github.com/paulmillr/console-polyfill
// Make it safe to do console.log() always.
(function(global) {
    'use strict';
    global.console = global.console || {};
    var con = global.console;
    var prop, method;
    var empty = {};
    var dummy = function() {};
    var properties = 'memory'.split(',');
    var methods = ('assert,clear,count,debug,dir,dirxml,error,exception,group,' +
    'groupCollapsed,groupEnd,info,log,markTimeline,profile,profiles,profileEnd,' +
    'show,table,time,timeEnd,timeline,timelineEnd,timeStamp,trace,warn').split(',');
    while (prop = properties.pop()) if (!con[prop]) con[prop] = empty;
    while (method = methods.pop()) if (!con[method]) con[method] = dummy;
})(typeof window === 'undefined' ? this : window);
// Using `this` for web workers while maintaining compatibility with browser
// targeted script loaders such as Browserify or Webpack where the only way to
// get to the global object is via `window`.

/**
 * @preserve HTML5 Shiv 3.7.2 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
 */
;(function(window, document) {
    /*jshint evil:true */
    /** version */
    var version = '3.7.2';

    /** Preset options */
    var options = window.html5 || {};

    /** Used to skip problem elements */
    var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;

    /** Not all elements can be cloned in IE **/
    var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;

    /** Detect whether the browser supports default html5 styles */
    var supportsHtml5Styles;

    /** Name of the expando, to work with multiple documents or to re-shiv one document */
    var expando = '_html5shiv';

    /** The id for the the documents expando */
    var expanID = 0;

    /** Cached data for each document */
    var expandoData = {};

    /** Detect whether the browser supports unknown elements */
    var supportsUnknownElements;

    (function() {
        try {
            var a = document.createElement('a');
            a.innerHTML = '<xyz></xyz>';
            //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
            supportsHtml5Styles = ('hidden' in a);

            supportsUnknownElements = a.childNodes.length == 1 || (function() {
                    // assign a false positive if unable to shiv
                    (document.createElement)('a');
                    var frag = document.createDocumentFragment();
                    return (
                        typeof frag.cloneNode == 'undefined' ||
                        typeof frag.createDocumentFragment == 'undefined' ||
                        typeof frag.createElement == 'undefined'
                    );
                }());
        } catch(e) {
            // assign a false positive if detection fails => unable to shiv
            supportsHtml5Styles = true;
            supportsUnknownElements = true;
        }

    }());

    /*--------------------------------------------------------------------------*/

    /**
     * Creates a style sheet with the given CSS text and adds it to the document.
     * @private
     * @param {Document} ownerDocument The document.
     * @param {String} cssText The CSS text.
     * @returns {StyleSheet} The style element.
     */
    function addStyleSheet(ownerDocument, cssText) {
        var p = ownerDocument.createElement('p'),
            parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;

        p.innerHTML = 'x<style>' + cssText + '</style>';
        return parent.insertBefore(p.lastChild, parent.firstChild);
    }

    /**
     * Returns the value of `html5.elements` as an array.
     * @private
     * @returns {Array} An array of shived element node names.
     */
    function getElements() {
        var elements = html5.elements;
        return typeof elements == 'string' ? elements.split(' ') : elements;
    }

    /**
     * Extends the built-in list of html5 elements
     * @memberOf html5
     * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
     * @param {Document} ownerDocument The context document.
     */
    function addElements(newElements, ownerDocument) {
        var elements = html5.elements;
        if(typeof elements != 'string'){
            elements = elements.join(' ');
        }
        if(typeof newElements != 'string'){
            newElements = newElements.join(' ');
        }
        html5.elements = elements +' '+ newElements;
        shivDocument(ownerDocument);
    }

    /**
     * Returns the data associated to the given document
     * @private
     * @param {Document} ownerDocument The document.
     * @returns {Object} An object of data.
     */
    function getExpandoData(ownerDocument) {
        var data = expandoData[ownerDocument[expando]];
        if (!data) {
            data = {};
            expanID++;
            ownerDocument[expando] = expanID;
            expandoData[expanID] = data;
        }
        return data;
    }

    /**
     * returns a shived element for the given nodeName and document
     * @memberOf html5
     * @param {String} nodeName name of the element
     * @param {Document} ownerDocument The context document.
     * @returns {Object} The shived element.
     */
    function createElement(nodeName, ownerDocument, data){
        if (!ownerDocument) {
            ownerDocument = document;
        }
        if(supportsUnknownElements){
            return ownerDocument.createElement(nodeName);
        }
        if (!data) {
            data = getExpandoData(ownerDocument);
        }
        var node;

        if (data.cache[nodeName]) {
            node = data.cache[nodeName].cloneNode();
        } else if (saveClones.test(nodeName)) {
            node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
        } else {
            node = data.createElem(nodeName);
        }

        // Avoid adding some elements to fragments in IE < 9 because
        // * Attributes like `name` or `type` cannot be set/changed once an element
        //   is inserted into a document/fragment
        // * Link elements with `src` attributes that are inaccessible, as with
        //   a 403 response, will cause the tab/window to crash
        // * Script elements appended to fragments will execute when their `src`
        //   or `text` property is set
        return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
    }

    /**
     * returns a shived DocumentFragment for the given document
     * @memberOf html5
     * @param {Document} ownerDocument The context document.
     * @returns {Object} The shived DocumentFragment.
     */
    function createDocumentFragment(ownerDocument, data){
        if (!ownerDocument) {
            ownerDocument = document;
        }
        if(supportsUnknownElements){
            return ownerDocument.createDocumentFragment();
        }
        data = data || getExpandoData(ownerDocument);
        var clone = data.frag.cloneNode(),
            i = 0,
            elems = getElements(),
            l = elems.length;
        for(;i<l;i++){
            clone.createElement(elems[i]);
        }
        return clone;
    }

    /**
     * Shivs the `createElement` and `createDocumentFragment` methods of the document.
     * @private
     * @param {Document|DocumentFragment} ownerDocument The document.
     * @param {Object} data of the document.
     */
    function shivMethods(ownerDocument, data) {
        if (!data.cache) {
            data.cache = {};
            data.createElem = ownerDocument.createElement;
            data.createFrag = ownerDocument.createDocumentFragment;
            data.frag = data.createFrag();
        }


        ownerDocument.createElement = function(nodeName) {
            //abort shiv
            if (!html5.shivMethods) {
                return data.createElem(nodeName);
            }
            return createElement(nodeName, ownerDocument, data);
        };

        ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
            'var n=f.cloneNode(),c=n.createElement;' +
            'h.shivMethods&&(' +
                // unroll the `createElement` calls
            getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
                data.createElem(nodeName);
                data.frag.createElement(nodeName);
                return 'c("' + nodeName + '")';
            }) +
            ');return n}'
        )(html5, data.frag);
    }

    /*--------------------------------------------------------------------------*/

    /**
     * Shivs the given document.
     * @memberOf html5
     * @param {Document} ownerDocument The document to shiv.
     * @returns {Document} The shived document.
     */
    function shivDocument(ownerDocument) {
        if (!ownerDocument) {
            ownerDocument = document;
        }
        var data = getExpandoData(ownerDocument);

        if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
            data.hasCSS = !!addStyleSheet(ownerDocument,
                // corrects block display not defined in IE6/7/8/9
                'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
                    // adds styling not present in IE6/7/8/9
                'mark{background:#FF0;color:#000}' +
                    // hides non-rendered elements
                'template{display:none}'
            );
        }
        if (!supportsUnknownElements) {
            shivMethods(ownerDocument, data);
        }
        return ownerDocument;
    }

    /*--------------------------------------------------------------------------*/

    /**
     * The `html5` object is exposed so that more elements can be shived and
     * existing shiving can be detected on iframes.
     * @type Object
     * @example
     *
     * // options can be changed before the script is included
     * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
     */
    var html5 = {

        /**
         * An array or space separated string of node names of the elements to shiv.
         * @memberOf html5
         * @type Array|String
         */
        'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',

        /**
         * current version of html5shiv
         */
        'version': version,

        /**
         * A flag to indicate that the HTML5 style sheet should be inserted.
         * @memberOf html5
         * @type Boolean
         */
        'shivCSS': (options.shivCSS !== false),

        /**
         * Is equal to true if a browser supports creating unknown/HTML5 elements
         * @memberOf html5
         * @type boolean
         */
        'supportsUnknownElements': supportsUnknownElements,

        /**
         * A flag to indicate that the document's `createElement` and `createDocumentFragment`
         * methods should be overwritten.
         * @memberOf html5
         * @type Boolean
         */
        'shivMethods': (options.shivMethods !== false),

        /**
         * A string to describe the type of `html5` object ("default" or "default print").
         * @memberOf html5
         * @type String
         */
        'type': 'default',

        // shivs the document according to the specified `html5` object options
        'shivDocument': shivDocument,

        //creates a shived element
        createElement: createElement,

        //creates a shived documentFragment
        createDocumentFragment: createDocumentFragment,

        //extends list of elements
        addElements: addElements
    };

    /*--------------------------------------------------------------------------*/

    // expose html5
    window.html5 = html5;

    // shiv the document
    shivDocument(document);

}(this, document));

/**
 * @preserve HTML5 Shiv 3.7.2 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
 */
;(function(window, document) {
    /*jshint evil:true */
    /** version */
    var version = '3.7.2';

    /** Preset options */
    var options = window.html5 || {};

    /** Used to skip problem elements */
    var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;

    /** Not all elements can be cloned in IE **/
    var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;

    /** Detect whether the browser supports default html5 styles */
    var supportsHtml5Styles;

    /** Name of the expando, to work with multiple documents or to re-shiv one document */
    var expando = '_html5shiv';

    /** The id for the the documents expando */
    var expanID = 0;

    /** Cached data for each document */
    var expandoData = {};

    /** Detect whether the browser supports unknown elements */
    var supportsUnknownElements;

    (function() {
        try {
            var a = document.createElement('a');
            a.innerHTML = '<xyz></xyz>';
            //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
            supportsHtml5Styles = ('hidden' in a);

            supportsUnknownElements = a.childNodes.length == 1 || (function() {
                    // assign a false positive if unable to shiv
                    (document.createElement)('a');
                    var frag = document.createDocumentFragment();
                    return (
                        typeof frag.cloneNode == 'undefined' ||
                        typeof frag.createDocumentFragment == 'undefined' ||
                        typeof frag.createElement == 'undefined'
                    );
                }());
        } catch(e) {
            // assign a false positive if detection fails => unable to shiv
            supportsHtml5Styles = true;
            supportsUnknownElements = true;
        }

    }());

    /*--------------------------------------------------------------------------*/

    /**
     * Creates a style sheet with the given CSS text and adds it to the document.
     * @private
     * @param {Document} ownerDocument The document.
     * @param {String} cssText The CSS text.
     * @returns {StyleSheet} The style element.
     */
    function addStyleSheet(ownerDocument, cssText) {
        var p = ownerDocument.createElement('p'),
            parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;

        p.innerHTML = 'x<style>' + cssText + '</style>';
        return parent.insertBefore(p.lastChild, parent.firstChild);
    }

    /**
     * Returns the value of `html5.elements` as an array.
     * @private
     * @returns {Array} An array of shived element node names.
     */
    function getElements() {
        var elements = html5.elements;
        return typeof elements == 'string' ? elements.split(' ') : elements;
    }

    /**
     * Extends the built-in list of html5 elements
     * @memberOf html5
     * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
     * @param {Document} ownerDocument The context document.
     */
    function addElements(newElements, ownerDocument) {
        var elements = html5.elements;
        if(typeof elements != 'string'){
            elements = elements.join(' ');
        }
        if(typeof newElements != 'string'){
            newElements = newElements.join(' ');
        }
        html5.elements = elements +' '+ newElements;
        shivDocument(ownerDocument);
    }

    /**
     * Returns the data associated to the given document
     * @private
     * @param {Document} ownerDocument The document.
     * @returns {Object} An object of data.
     */
    function getExpandoData(ownerDocument) {
        var data = expandoData[ownerDocument[expando]];
        if (!data) {
            data = {};
            expanID++;
            ownerDocument[expando] = expanID;
            expandoData[expanID] = data;
        }
        return data;
    }

    /**
     * returns a shived element for the given nodeName and document
     * @memberOf html5
     * @param {String} nodeName name of the element
     * @param {Document} ownerDocument The context document.
     * @returns {Object} The shived element.
     */
    function createElement(nodeName, ownerDocument, data){
        if (!ownerDocument) {
            ownerDocument = document;
        }
        if(supportsUnknownElements){
            return ownerDocument.createElement(nodeName);
        }
        if (!data) {
            data = getExpandoData(ownerDocument);
        }
        var node;

        if (data.cache[nodeName]) {
            node = data.cache[nodeName].cloneNode();
        } else if (saveClones.test(nodeName)) {
            node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
        } else {
            node = data.createElem(nodeName);
        }

        // Avoid adding some elements to fragments in IE < 9 because
        // * Attributes like `name` or `type` cannot be set/changed once an element
        //   is inserted into a document/fragment
        // * Link elements with `src` attributes that are inaccessible, as with
        //   a 403 response, will cause the tab/window to crash
        // * Script elements appended to fragments will execute when their `src`
        //   or `text` property is set
        return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
    }

    /**
     * returns a shived DocumentFragment for the given document
     * @memberOf html5
     * @param {Document} ownerDocument The context document.
     * @returns {Object} The shived DocumentFragment.
     */
    function createDocumentFragment(ownerDocument, data){
        if (!ownerDocument) {
            ownerDocument = document;
        }
        if(supportsUnknownElements){
            return ownerDocument.createDocumentFragment();
        }
        data = data || getExpandoData(ownerDocument);
        var clone = data.frag.cloneNode(),
            i = 0,
            elems = getElements(),
            l = elems.length;
        for(;i<l;i++){
            clone.createElement(elems[i]);
        }
        return clone;
    }

    /**
     * Shivs the `createElement` and `createDocumentFragment` methods of the document.
     * @private
     * @param {Document|DocumentFragment} ownerDocument The document.
     * @param {Object} data of the document.
     */
    function shivMethods(ownerDocument, data) {
        if (!data.cache) {
            data.cache = {};
            data.createElem = ownerDocument.createElement;
            data.createFrag = ownerDocument.createDocumentFragment;
            data.frag = data.createFrag();
        }


        ownerDocument.createElement = function(nodeName) {
            //abort shiv
            if (!html5.shivMethods) {
                return data.createElem(nodeName);
            }
            return createElement(nodeName, ownerDocument, data);
        };

        ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
            'var n=f.cloneNode(),c=n.createElement;' +
            'h.shivMethods&&(' +
                // unroll the `createElement` calls
            getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
                data.createElem(nodeName);
                data.frag.createElement(nodeName);
                return 'c("' + nodeName + '")';
            }) +
            ');return n}'
        )(html5, data.frag);
    }

    /*--------------------------------------------------------------------------*/

    /**
     * Shivs the given document.
     * @memberOf html5
     * @param {Document} ownerDocument The document to shiv.
     * @returns {Document} The shived document.
     */
    function shivDocument(ownerDocument) {
        if (!ownerDocument) {
            ownerDocument = document;
        }
        var data = getExpandoData(ownerDocument);

        if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
            data.hasCSS = !!addStyleSheet(ownerDocument,
                // corrects block display not defined in IE6/7/8/9
                'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
                    // adds styling not present in IE6/7/8/9
                'mark{background:#FF0;color:#000}' +
                    // hides non-rendered elements
                'template{display:none}'
            );
        }
        if (!supportsUnknownElements) {
            shivMethods(ownerDocument, data);
        }
        return ownerDocument;
    }

    /*--------------------------------------------------------------------------*/

    /**
     * The `html5` object is exposed so that more elements can be shived and
     * existing shiving can be detected on iframes.
     * @type Object
     * @example
     *
     * // options can be changed before the script is included
     * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
     */
    var html5 = {

        /**
         * An array or space separated string of node names of the elements to shiv.
         * @memberOf html5
         * @type Array|String
         */
        'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',

        /**
         * current version of html5shiv
         */
        'version': version,

        /**
         * A flag to indicate that the HTML5 style sheet should be inserted.
         * @memberOf html5
         * @type Boolean
         */
        'shivCSS': (options.shivCSS !== false),

        /**
         * Is equal to true if a browser supports creating unknown/HTML5 elements
         * @memberOf html5
         * @type boolean
         */
        'supportsUnknownElements': supportsUnknownElements,

        /**
         * A flag to indicate that the document's `createElement` and `createDocumentFragment`
         * methods should be overwritten.
         * @memberOf html5
         * @type Boolean
         */
        'shivMethods': (options.shivMethods !== false),

        /**
         * A string to describe the type of `html5` object ("default" or "default print").
         * @memberOf html5
         * @type String
         */
        'type': 'default',

        // shivs the document according to the specified `html5` object options
        'shivDocument': shivDocument,

        //creates a shived element
        createElement: createElement,

        //creates a shived documentFragment
        createDocumentFragment: createDocumentFragment,

        //extends list of elements
        addElements: addElements
    };

    /*--------------------------------------------------------------------------*/

    // expose html5
    window.html5 = html5;

    // shiv the document
    shivDocument(document);

    /*------------------------------- Print Shiv -------------------------------*/

    /** Used to filter media types */
    var reMedia = /^$|\b(?:all|print)\b/;

    /** Used to namespace printable elements */
    var shivNamespace = 'html5shiv';

    /** Detect whether the browser supports shivable style sheets */
    var supportsShivableSheets = !supportsUnknownElements && (function() {
            // assign a false negative if unable to shiv
            var docEl = document.documentElement;
            return !(
                typeof document.namespaces == 'undefined' ||
                typeof document.parentWindow == 'undefined' ||
                typeof docEl.applyElement == 'undefined' ||
                typeof docEl.removeNode == 'undefined' ||
                typeof window.attachEvent == 'undefined'
            );
        }());

    /*--------------------------------------------------------------------------*/

    /**
     * Wraps all HTML5 elements in the given document with printable elements.
     * (eg. the "header" element is wrapped with the "html5shiv:header" element)
     * @private
     * @param {Document} ownerDocument The document.
     * @returns {Array} An array wrappers added.
     */
    function addWrappers(ownerDocument) {
        var node,
            nodes = ownerDocument.getElementsByTagName('*'),
            index = nodes.length,
            reElements = RegExp('^(?:' + getElements().join('|') + ')$', 'i'),
            result = [];

        while (index--) {
            node = nodes[index];
            if (reElements.test(node.nodeName)) {
                result.push(node.applyElement(createWrapper(node)));
            }
        }
        return result;
    }

    /**
     * Creates a printable wrapper for the given element.
     * @private
     * @param {Element} element The element.
     * @returns {Element} The wrapper.
     */
    function createWrapper(element) {
        var node,
            nodes = element.attributes,
            index = nodes.length,
            wrapper = element.ownerDocument.createElement(shivNamespace + ':' + element.nodeName);

        // copy element attributes to the wrapper
        while (index--) {
            node = nodes[index];
            node.specified && wrapper.setAttribute(node.nodeName, node.nodeValue);
        }
        // copy element styles to the wrapper
        wrapper.style.cssText = element.style.cssText;
        return wrapper;
    }

    /**
     * Shivs the given CSS text.
     * (eg. header{} becomes html5shiv\:header{})
     * @private
     * @param {String} cssText The CSS text to shiv.
     * @returns {String} The shived CSS text.
     */
    function shivCssText(cssText) {
        var pair,
            parts = cssText.split('{'),
            index = parts.length,
            reElements = RegExp('(^|[\\s,>+~])(' + getElements().join('|') + ')(?=[[\\s,>+~#.:]|$)', 'gi'),
            replacement = '$1' + shivNamespace + '\\:$2';

        while (index--) {
            pair = parts[index] = parts[index].split('}');
            pair[pair.length - 1] = pair[pair.length - 1].replace(reElements, replacement);
            parts[index] = pair.join('}');
        }
        return parts.join('{');
    }

    /**
     * Removes the given wrappers, leaving the original elements.
     * @private
     * @params {Array} wrappers An array of printable wrappers.
     */
    function removeWrappers(wrappers) {
        var index = wrappers.length;
        while (index--) {
            wrappers[index].removeNode();
        }
    }

    /*--------------------------------------------------------------------------*/

    /**
     * Shivs the given document for print.
     * @memberOf html5
     * @param {Document} ownerDocument The document to shiv.
     * @returns {Document} The shived document.
     */
    function shivPrint(ownerDocument) {
        var shivedSheet,
            wrappers,
            data = getExpandoData(ownerDocument),
            namespaces = ownerDocument.namespaces,
            ownerWindow = ownerDocument.parentWindow;

        if (!supportsShivableSheets || ownerDocument.printShived) {
            return ownerDocument;
        }
        if (typeof namespaces[shivNamespace] == 'undefined') {
            namespaces.add(shivNamespace);
        }

        function removeSheet() {
            clearTimeout(data._removeSheetTimer);
            if (shivedSheet) {
                shivedSheet.removeNode(true);
            }
            shivedSheet= null;
        }

        ownerWindow.attachEvent('onbeforeprint', function() {

            removeSheet();

            var imports,
                length,
                sheet,
                collection = ownerDocument.styleSheets,
                cssText = [],
                index = collection.length,
                sheets = Array(index);

            // convert styleSheets collection to an array
            while (index--) {
                sheets[index] = collection[index];
            }
            // concat all style sheet CSS text
            while ((sheet = sheets.pop())) {
                // IE does not enforce a same origin policy for external style sheets...
                // but has trouble with some dynamically created stylesheets
                if (!sheet.disabled && reMedia.test(sheet.media)) {

                    try {
                        imports = sheet.imports;
                        length = imports.length;
                    } catch(er){
                        length = 0;
                    }

                    for (index = 0; index < length; index++) {
                        sheets.push(imports[index]);
                    }

                    try {
                        cssText.push(sheet.cssText);
                    } catch(er){}
                }
            }

            // wrap all HTML5 elements with printable elements and add the shived style sheet
            cssText = shivCssText(cssText.reverse().join(''));
            wrappers = addWrappers(ownerDocument);
            shivedSheet = addStyleSheet(ownerDocument, cssText);

        });

        ownerWindow.attachEvent('onafterprint', function() {
            // remove wrappers, leaving the original elements, and remove the shived style sheet
            removeWrappers(wrappers);
            clearTimeout(data._removeSheetTimer);
            data._removeSheetTimer = setTimeout(removeSheet, 500);
        });

        ownerDocument.printShived = true;
        return ownerDocument;
    }

    /*--------------------------------------------------------------------------*/

    // expose API
    html5.type += ' print';
    html5.shivPrint = shivPrint;

    // shiv for print
    shivPrint(document);

}(this, document));

/*!
 * https://github.com/es-shims/es5-shim
 * @license es5-shim Copyright 2009-2015 by contributors, MIT License
 * see https://github.com/es-shims/es5-shim/blob/master/LICENSE
 */

// vim: ts=4 sts=4 sw=4 expandtab

// Add semicolon to prevent IIFE from being passed as argument to concatenated code.
;

// UMD (Universal Module Definition)
// see https://github.com/umdjs/umd/blob/master/returnExports.js
(function (root, factory) {
    'use strict';

    /*global define, exports, module */
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(factory);
    } else if (typeof exports === 'object') {
        // Node. Does not work with strict CommonJS, but
        // only CommonJS-like enviroments that support module.exports,
        // like Node.
        module.exports = factory();
    } else {
        // Browser globals (root is window)
        root.returnExports = factory();
    }
}(this, function () {

    /**
     * Brings an environment as close to ECMAScript 5 compliance
     * as is possible with the facilities of erstwhile engines.
     *
     * Annotated ES5: http://es5.github.com/ (specific links below)
     * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
     * Required reading: http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/
     */

// Shortcut to an often accessed properties, in order to avoid multiple
// dereference that costs universally.
    var ArrayPrototype = Array.prototype;
    var ObjectPrototype = Object.prototype;
    var FunctionPrototype = Function.prototype;
    var StringPrototype = String.prototype;
    var NumberPrototype = Number.prototype;
    var array_slice = ArrayPrototype.slice;
    var array_splice = ArrayPrototype.splice;
    var array_push = ArrayPrototype.push;
    var array_unshift = ArrayPrototype.unshift;
    var array_concat = ArrayPrototype.concat;
    var call = FunctionPrototype.call;

// Having a toString local variable name breaks in Opera so use to_string.
    var to_string = ObjectPrototype.toString;

    var isArray = Array.isArray || function isArray(obj) {
            return to_string.call(obj) === '[object Array]';
        };

    var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
    var isCallable; /* inlined from https://npmjs.com/is-callable */ var fnToStr = Function.prototype.toString, tryFunctionObject = function tryFunctionObject(value) { try { fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]'; isCallable = function isCallable(value) { if (typeof value !== 'function') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; };
    var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { regexExec.call(value); return true; } catch (e) { return false; } }, regexClass = '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 'object') { return false; } return hasToStringTag ? tryRegexExec(value) : to_string.call(value) === regexClass; };
    var isString; /* inlined from https://npmjs.com/is-string */ var strValue = String.prototype.valueOf, tryStringObject = function tryStringObject(value) { try { strValue.call(value); return true; } catch (e) { return false; } }, stringClass = '[object String]'; isString = function isString(value) { if (typeof value === 'string') { return true; } if (typeof value !== 'object') { return false; } return hasToStringTag ? tryStringObject(value) : to_string.call(value) === stringClass; };

    var isArguments = function isArguments(value) {
        var str = to_string.call(value);
        var isArgs = str === '[object Arguments]';
        if (!isArgs) {
            isArgs = !isArray(value) &&
                value !== null &&
                typeof value === 'object' &&
                typeof value.length === 'number' &&
                value.length >= 0 &&
                isCallable(value.callee);
        }
        return isArgs;
    };

    /* inlined from http://npmjs.com/define-properties */
    var defineProperties = (function (has) {
        var supportsDescriptors = Object.defineProperty && (function () {
                try {
                    var obj = {};
                    Object.defineProperty(obj, 'x', { enumerable: false, value: obj });
                    for (var _ in obj) { return false; }
                    return obj.x === obj;
                } catch (e) { /* this is ES3 */
                    return false;
                }
            }());

        // Define configurable, writable and non-enumerable props
        // if they don't exist.
        var defineProperty;
        if (supportsDescriptors) {
            defineProperty = function (object, name, method, forceAssign) {
                if (!forceAssign && (name in object)) { return; }
                Object.defineProperty(object, name, {
                    configurable: true,
                    enumerable: false,
                    writable: true,
                    value: method
                });
            };
        } else {
            defineProperty = function (object, name, method, forceAssign) {
                if (!forceAssign && (name in object)) { return; }
                object[name] = method;
            };
        }
        return function defineProperties(object, map, forceAssign) {
            for (var name in map) {
                if (has.call(map, name)) {
                    defineProperty(object, name, map[name], forceAssign);
                }
            }
        };
    }(ObjectPrototype.hasOwnProperty));

//
// Util
// ======
//

    /* replaceable with https://npmjs.com/package/es-abstract /helpers/isPrimitive */
    var isPrimitive = function isPrimitive(input) {
        var type = typeof input;
        return input === null || (type !== 'object' && type !== 'function');
    };

    var ES = {
        // ES5 9.4
        // http://es5.github.com/#x9.4
        // http://jsperf.com/to-integer
        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */
        ToInteger: function ToInteger(num) {
            var n = +num;
            if (n !== n) { // isNaN
                n = 0;
            } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
                n = (n > 0 || -1) * Math.floor(Math.abs(n));
            }
            return n;
        },

        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToPrimitive */
        ToPrimitive: function ToPrimitive(input) {
            var val, valueOf, toStr;
            if (isPrimitive(input)) {
                return input;
            }
            valueOf = input.valueOf;
            if (isCallable(valueOf)) {
                val = valueOf.call(input);
                if (isPrimitive(val)) {
                    return val;
                }
            }
            toStr = input.toString;
            if (isCallable(toStr)) {
                val = toStr.call(input);
                if (isPrimitive(val)) {
                    return val;
                }
            }
            throw new TypeError();
        },

        // ES5 9.9
        // http://es5.github.com/#x9.9
        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */
        ToObject: function (o) {
            /*jshint eqnull: true */
            if (o == null) { // this matches both null and undefined
                throw new TypeError("can't convert " + o + ' to object');
            }
            return Object(o);
        },

        /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */
        ToUint32: function ToUint32(x) {
            return x >>> 0;
        }
    };

//
// Function
// ========
//

// ES-5 15.3.4.5
// http://es5.github.com/#x15.3.4.5

    var Empty = function Empty() {};

    defineProperties(FunctionPrototype, {
        bind: function bind(that) { // .length is 1
            // 1. Let Target be the this value.
            var target = this;
            // 2. If IsCallable(Target) is false, throw a TypeError exception.
            if (!isCallable(target)) {
                throw new TypeError('Function.prototype.bind called on incompatible ' + target);
            }
            // 3. Let A be a new (possibly empty) internal list of all of the
            //   argument values provided after thisArg (arg1, arg2 etc), in order.
            // XXX slicedArgs will stand in for "A" if used
            var args = array_slice.call(arguments, 1); // for normal call
            // 4. Let F be a new native ECMAScript object.
            // 11. Set the [[Prototype]] internal property of F to the standard
            //   built-in Function prototype object as specified in 15.3.3.1.
            // 12. Set the [[Call]] internal property of F as described in
            //   15.3.4.5.1.
            // 13. Set the [[Construct]] internal property of F as described in
            //   15.3.4.5.2.
            // 14. Set the [[HasInstance]] internal property of F as described in
            //   15.3.4.5.3.
            var bound;
            var binder = function () {

                if (this instanceof bound) {
                    // 15.3.4.5.2 [[Construct]]
                    // When the [[Construct]] internal method of a function object,
                    // F that was created using the bind function is called with a
                    // list of arguments ExtraArgs, the following steps are taken:
                    // 1. Let target be the value of F's [[TargetFunction]]
                    //   internal property.
                    // 2. If target has no [[Construct]] internal method, a
                    //   TypeError exception is thrown.
                    // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
                    //   property.
                    // 4. Let args be a new list containing the same values as the
                    //   list boundArgs in the same order followed by the same
                    //   values as the list ExtraArgs in the same order.
                    // 5. Return the result of calling the [[Construct]] internal
                    //   method of target providing args as the arguments.

                    var result = target.apply(
                        this,
                        array_concat.call(args, array_slice.call(arguments))
                    );
                    if (Object(result) === result) {
                        return result;
                    }
                    return this;

                } else {
                    // 15.3.4.5.1 [[Call]]
                    // When the [[Call]] internal method of a function object, F,
                    // which was created using the bind function is called with a
                    // this value and a list of arguments ExtraArgs, the following
                    // steps are taken:
                    // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
                    //   property.
                    // 2. Let boundThis be the value of F's [[BoundThis]] internal
                    //   property.
                    // 3. Let target be the value of F's [[TargetFunction]] internal
                    //   property.
                    // 4. Let args be a new list containing the same values as the
                    //   list boundArgs in the same order followed by the same
                    //   values as the list ExtraArgs in the same order.
                    // 5. Return the result of calling the [[Call]] internal method
                    //   of target providing boundThis as the this value and
                    //   providing args as the arguments.

                    // equiv: target.call(this, ...boundArgs, ...args)
                    return target.apply(
                        that,
                        array_concat.call(args, array_slice.call(arguments))
                    );

                }

            };

            // 15. If the [[Class]] internal property of Target is "Function", then
            //     a. Let L be the length property of Target minus the length of A.
            //     b. Set the length own property of F to either 0 or L, whichever is
            //       larger.
            // 16. Else set the length own property of F to 0.

            var boundLength = Math.max(0, target.length - args.length);

            // 17. Set the attributes of the length own property of F to the values
            //   specified in 15.3.5.1.
            var boundArgs = [];
            for (var i = 0; i < boundLength; i++) {
                boundArgs.push('$' + i);
            }

            // XXX Build a dynamic function with desired amount of arguments is the only
            // way to set the length property of a function.
            // In environments where Content Security Policies enabled (Chrome extensions,
            // for ex.) all use of eval or Function costructor throws an exception.
            // However in all of these environments Function.prototype.bind exists
            // and so this code will never be executed.
            bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);

            if (target.prototype) {
                Empty.prototype = target.prototype;
                bound.prototype = new Empty();
                // Clean up dangling references.
                Empty.prototype = null;
            }

            // TODO
            // 18. Set the [[Extensible]] internal property of F to true.

            // TODO
            // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
            // 20. Call the [[DefineOwnProperty]] internal method of F with
            //   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
            //   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
            //   false.
            // 21. Call the [[DefineOwnProperty]] internal method of F with
            //   arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
            //   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
            //   and false.

            // TODO
            // NOTE Function objects created using Function.prototype.bind do not
            // have a prototype property or the [[Code]], [[FormalParameters]], and
            // [[Scope]] internal properties.
            // XXX can't delete prototype in pure-js.

            // 22. Return F.
            return bound;
        }
    });

// _Please note: Shortcuts are defined after `Function.prototype.bind` as we
// us it in defining shortcuts.
    var owns = call.bind(ObjectPrototype.hasOwnProperty);

//
// Array
// =====
//

// ES5 15.4.4.12
// http://es5.github.com/#x15.4.4.12
    var spliceNoopReturnsEmptyArray = (function () {
        var a = [1, 2];
        var result = a.splice();
        return a.length === 2 && isArray(result) && result.length === 0;
    }());
    defineProperties(ArrayPrototype, {
        // Safari 5.0 bug where .splice() returns undefined
        splice: function splice(start, deleteCount) {
            if (arguments.length === 0) {
                return [];
            } else {
                return array_splice.apply(this, arguments);
            }
        }
    }, !spliceNoopReturnsEmptyArray);

    var spliceWorksWithEmptyObject = (function () {
        var obj = {};
        ArrayPrototype.splice.call(obj, 0, 0, 1);
        return obj.length === 1;
    }());
    defineProperties(ArrayPrototype, {
        splice: function splice(start, deleteCount) {
            if (arguments.length === 0) { return []; }
            var args = arguments;
            this.length = Math.max(ES.ToInteger(this.length), 0);
            if (arguments.length > 0 && typeof deleteCount !== 'number') {
                args = array_slice.call(arguments);
                if (args.length < 2) {
                    args.push(this.length - start);
                } else {
                    args[1] = ES.ToInteger(deleteCount);
                }
            }
            return array_splice.apply(this, args);
        }
    }, !spliceWorksWithEmptyObject);

// ES5 15.4.4.12
// http://es5.github.com/#x15.4.4.13
// Return len+argCount.
// [bugfix, ielt8]
// IE < 8 bug: [].unshift(0) === undefined but should be "1"
    var hasUnshiftReturnValueBug = [].unshift(0) !== 1;
    defineProperties(ArrayPrototype, {
        unshift: function () {
            array_unshift.apply(this, arguments);
            return this.length;
        }
    }, hasUnshiftReturnValueBug);

// ES5 15.4.3.2
// http://es5.github.com/#x15.4.3.2
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
    defineProperties(Array, { isArray: isArray });

// The IsCallable() check in the Array functions
// has been replaced with a strict check on the
// internal class of the object to trap cases where
// the provided function was actually a regular
// expression literal, which in V8 and
// JavaScriptCore is a typeof "function".  Only in
// V8 are regular expression literals permitted as
// reduce parameters, so it is desirable in the
// general case for the shim to match the more
// strict and common behavior of rejecting regular
// expressions.

// ES5 15.4.4.18
// http://es5.github.com/#x15.4.4.18
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach

// Check failure of by-index access of string characters (IE < 9)
// and failure of `0 in boxedString` (Rhino)
    var boxedString = Object('a');
    var splitString = boxedString[0] !== 'a' || !(0 in boxedString);

    var properlyBoxesContext = function properlyBoxed(method) {
        // Check node 0.6.21 bug where third parameter is not boxed
        var properlyBoxesNonStrict = true;
        var properlyBoxesStrict = true;
        if (method) {
            method.call('foo', function (_, __, context) {
                if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
            });

            method.call([1], function () {
                'use strict';

                properlyBoxesStrict = typeof this === 'string';
            }, 'x');
        }
        return !!method && properlyBoxesNonStrict && properlyBoxesStrict;
    };

    defineProperties(ArrayPrototype, {
        forEach: function forEach(callbackfn /*, thisArg*/) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var i = -1;
            var length = self.length >>> 0;
            var T;
            if (arguments.length > 1) {
                T = arguments[1];
            }

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.forEach callback must be a function');
            }

            while (++i < length) {
                if (i in self) {
                    // Invoke the callback function with call, passing arguments:
                    // context, property value, property key, thisArg object
                    if (typeof T !== 'undefined') {
                        callbackfn.call(T, self[i], i, object);
                    } else {
                        callbackfn(self[i], i, object);
                    }
                }
            }
        }
    }, !properlyBoxesContext(ArrayPrototype.forEach));

// ES5 15.4.4.19
// http://es5.github.com/#x15.4.4.19
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
    defineProperties(ArrayPrototype, {
        map: function map(callbackfn/*, thisArg*/) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var length = self.length >>> 0;
            var result = Array(length);
            var T;
            if (arguments.length > 1) {
                T = arguments[1];
            }

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.map callback must be a function');
            }

            for (var i = 0; i < length; i++) {
                if (i in self) {
                    if (typeof T !== 'undefined') {
                        result[i] = callbackfn.call(T, self[i], i, object);
                    } else {
                        result[i] = callbackfn(self[i], i, object);
                    }
                }
            }
            return result;
        }
    }, !properlyBoxesContext(ArrayPrototype.map));

// ES5 15.4.4.20
// http://es5.github.com/#x15.4.4.20
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
    defineProperties(ArrayPrototype, {
        filter: function filter(callbackfn /*, thisArg*/) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var length = self.length >>> 0;
            var result = [];
            var value;
            var T;
            if (arguments.length > 1) {
                T = arguments[1];
            }

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.filter callback must be a function');
            }

            for (var i = 0; i < length; i++) {
                if (i in self) {
                    value = self[i];
                    if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) {
                        result.push(value);
                    }
                }
            }
            return result;
        }
    }, !properlyBoxesContext(ArrayPrototype.filter));

// ES5 15.4.4.16
// http://es5.github.com/#x15.4.4.16
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
    defineProperties(ArrayPrototype, {
        every: function every(callbackfn /*, thisArg*/) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var length = self.length >>> 0;
            var T;
            if (arguments.length > 1) {
                T = arguments[1];
            }

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.every callback must be a function');
            }

            for (var i = 0; i < length; i++) {
                if (i in self && !(typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
                    return false;
                }
            }
            return true;
        }
    }, !properlyBoxesContext(ArrayPrototype.every));

// ES5 15.4.4.17
// http://es5.github.com/#x15.4.4.17
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
    defineProperties(ArrayPrototype, {
        some: function some(callbackfn/*, thisArg */) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var length = self.length >>> 0;
            var T;
            if (arguments.length > 1) {
                T = arguments[1];
            }

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.some callback must be a function');
            }

            for (var i = 0; i < length; i++) {
                if (i in self && (typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
                    return true;
                }
            }
            return false;
        }
    }, !properlyBoxesContext(ArrayPrototype.some));

// ES5 15.4.4.21
// http://es5.github.com/#x15.4.4.21
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
    var reduceCoercesToObject = false;
    if (ArrayPrototype.reduce) {
        reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) { return list; }) === 'object';
    }
    defineProperties(ArrayPrototype, {
        reduce: function reduce(callbackfn /*, initialValue*/) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var length = self.length >>> 0;

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.reduce callback must be a function');
            }

            // no value to return if no initial value and an empty array
            if (length === 0 && arguments.length === 1) {
                throw new TypeError('reduce of empty array with no initial value');
            }

            var i = 0;
            var result;
            if (arguments.length >= 2) {
                result = arguments[1];
            } else {
                do {
                    if (i in self) {
                        result = self[i++];
                        break;
                    }

                    // if array contains no values, no initial value to return
                    if (++i >= length) {
                        throw new TypeError('reduce of empty array with no initial value');
                    }
                } while (true);
            }

            for (; i < length; i++) {
                if (i in self) {
                    result = callbackfn(result, self[i], i, object);
                }
            }

            return result;
        }
    }, !reduceCoercesToObject);

// ES5 15.4.4.22
// http://es5.github.com/#x15.4.4.22
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
    var reduceRightCoercesToObject = false;
    if (ArrayPrototype.reduceRight) {
        reduceRightCoercesToObject = typeof ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) { return list; }) === 'object';
    }
    defineProperties(ArrayPrototype, {
        reduceRight: function reduceRight(callbackfn/*, initial*/) {
            var object = ES.ToObject(this);
            var self = splitString && isString(this) ? this.split('') : object;
            var length = self.length >>> 0;

            // If no callback function or if callback is not a callable function
            if (!isCallable(callbackfn)) {
                throw new TypeError('Array.prototype.reduceRight callback must be a function');
            }

            // no value to return if no initial value, empty array
            if (length === 0 && arguments.length === 1) {
                throw new TypeError('reduceRight of empty array with no initial value');
            }

            var result;
            var i = length - 1;
            if (arguments.length >= 2) {
                result = arguments[1];
            } else {
                do {
                    if (i in self) {
                        result = self[i--];
                        break;
                    }

                    // if array contains no values, no initial value to return
                    if (--i < 0) {
                        throw new TypeError('reduceRight of empty array with no initial value');
                    }
                } while (true);
            }

            if (i < 0) {
                return result;
            }

            do {
                if (i in self) {
                    result = callbackfn(result, self[i], i, object);
                }
            } while (i--);

            return result;
        }
    }, !reduceRightCoercesToObject);

// ES5 15.4.4.14
// http://es5.github.com/#x15.4.4.14
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
    var hasFirefox2IndexOfBug = Array.prototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
    defineProperties(ArrayPrototype, {
        indexOf: function indexOf(searchElement /*, fromIndex */) {
            var self = splitString && isString(this) ? this.split('') : ES.ToObject(this);
            var length = self.length >>> 0;

            if (length === 0) {
                return -1;
            }

            var i = 0;
            if (arguments.length > 1) {
                i = ES.ToInteger(arguments[1]);
            }

            // handle negative indices
            i = i >= 0 ? i : Math.max(0, length + i);
            for (; i < length; i++) {
                if (i in self && self[i] === searchElement) {
                    return i;
                }
            }
            return -1;
        }
    }, hasFirefox2IndexOfBug);

// ES5 15.4.4.15
// http://es5.github.com/#x15.4.4.15
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
    var hasFirefox2LastIndexOfBug = Array.prototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1;
    defineProperties(ArrayPrototype, {
        lastIndexOf: function lastIndexOf(searchElement /*, fromIndex */) {
            var self = splitString && isString(this) ? this.split('') : ES.ToObject(this);
            var length = self.length >>> 0;

            if (length === 0) {
                return -1;
            }
            var i = length - 1;
            if (arguments.length > 1) {
                i = Math.min(i, ES.ToInteger(arguments[1]));
            }
            // handle negative indices
            i = i >= 0 ? i : length - Math.abs(i);
            for (; i >= 0; i--) {
                if (i in self && searchElement === self[i]) {
                    return i;
                }
            }
            return -1;
        }
    }, hasFirefox2LastIndexOfBug);

//
// Object
// ======
//

// ES5 15.2.3.14
// http://es5.github.com/#x15.2.3.14

// http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
    var hasDontEnumBug = !({ 'toString': null }).propertyIsEnumerable('toString'),
        hasProtoEnumBug = function () {}.propertyIsEnumerable('prototype'),
        hasStringEnumBug = !owns('x', '0'),
        dontEnums = [
            'toString',
            'toLocaleString',
            'valueOf',
            'hasOwnProperty',
            'isPrototypeOf',
            'propertyIsEnumerable',
            'constructor'
        ],
        dontEnumsLength = dontEnums.length;

    defineProperties(Object, {
        keys: function keys(object) {
            var isFn = isCallable(object),
                isArgs = isArguments(object),
                isObject = object !== null && typeof object === 'object',
                isStr = isObject && isString(object);

            if (!isObject && !isFn && !isArgs) {
                throw new TypeError('Object.keys called on a non-object');
            }

            var theKeys = [];
            var skipProto = hasProtoEnumBug && isFn;
            if ((isStr && hasStringEnumBug) || isArgs) {
                for (var i = 0; i < object.length; ++i) {
                    theKeys.push(String(i));
                }
            }

            if (!isArgs) {
                for (var name in object) {
                    if (!(skipProto && name === 'prototype') && owns(object, name)) {
                        theKeys.push(String(name));
                    }
                }
            }

            if (hasDontEnumBug) {
                var ctor = object.constructor,
                    skipConstructor = ctor && ctor.prototype === object;
                for (var j = 0; j < dontEnumsLength; j++) {
                    var dontEnum = dontEnums[j];
                    if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) {
                        theKeys.push(dontEnum);
                    }
                }
            }
            return theKeys;
        }
    });

    var keysWorksWithArguments = Object.keys && (function () {
            // Safari 5.0 bug
            return Object.keys(arguments).length === 2;
        }(1, 2));
    var originalKeys = Object.keys;
    defineProperties(Object, {
        keys: function keys(object) {
            if (isArguments(object)) {
                return originalKeys(ArrayPrototype.slice.call(object));
            } else {
                return originalKeys(object);
            }
        }
    }, !keysWorksWithArguments);

//
// Date
// ====
//

// ES5 15.9.5.43
// http://es5.github.com/#x15.9.5.43
// This function returns a String value represent the instance in time
// represented by this Date object. The format of the String is the Date Time
// string format defined in 15.9.1.15. All fields are present in the String.
// The time zone is always UTC, denoted by the suffix Z. If the time value of
// this object is not a finite Number a RangeError exception is thrown.
    var negativeDate = -62198755200000;
    var negativeYearString = '-000001';
    var hasNegativeDateBug = Date.prototype.toISOString && new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1;

    defineProperties(Date.prototype, {
        toISOString: function toISOString() {
            var result, length, value, year, month;
            if (!isFinite(this)) {
                throw new RangeError('Date.prototype.toISOString called on non-finite value.');
            }

            year = this.getUTCFullYear();

            month = this.getUTCMonth();
            // see https://github.com/es-shims/es5-shim/issues/111
            year += Math.floor(month / 12);
            month = (month % 12 + 12) % 12;

            // the date time string format is specified in 15.9.1.15.
            result = [month + 1, this.getUTCDate(), this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds()];
            year = (
                (year < 0 ? '-' : (year > 9999 ? '+' : '')) +
                ('00000' + Math.abs(year)).slice((0 <= year && year <= 9999) ? -4 : -6)
            );

            length = result.length;
            while (length--) {
                value = result[length];
                // pad months, days, hours, minutes, and seconds to have two
                // digits.
                if (value < 10) {
                    result[length] = '0' + value;
                }
            }
            // pad milliseconds to have three digits.
            return (
                year + '-' + result.slice(0, 2).join('-') +
                'T' + result.slice(2).join(':') + '.' +
                ('000' + this.getUTCMilliseconds()).slice(-3) + 'Z'
            );
        }
    }, hasNegativeDateBug);

// ES5 15.9.5.44
// http://es5.github.com/#x15.9.5.44
// This function provides a String representation of a Date object for use by
// JSON.stringify (15.12.3).
    var dateToJSONIsSupported = (function () {
        try {
            return Date.prototype.toJSON &&
                new Date(NaN).toJSON() === null &&
                new Date(negativeDate).toJSON().indexOf(negativeYearString) !== -1 &&
                Date.prototype.toJSON.call({ // generic
                    toISOString: function () { return true; }
                });
        } catch (e) {
            return false;
        }
    }());
    if (!dateToJSONIsSupported) {
        Date.prototype.toJSON = function toJSON(key) {
            // When the toJSON method is called with argument key, the following
            // steps are taken:

            // 1.  Let O be the result of calling ToObject, giving it the this
            // value as its argument.
            // 2. Let tv be ES.ToPrimitive(O, hint Number).
            var O = Object(this);
            var tv = ES.ToPrimitive(O);
            // 3. If tv is a Number and is not finite, return null.
            if (typeof tv === 'number' && !isFinite(tv)) {
                return null;
            }
            // 4. Let toISO be the result of calling the [[Get]] internal method of
            // O with argument "toISOString".
            var toISO = O.toISOString;
            // 5. If IsCallable(toISO) is false, throw a TypeError exception.
            if (!isCallable(toISO)) {
                throw new TypeError('toISOString property is not callable');
            }
            // 6. Return the result of calling the [[Call]] internal method of
            //  toISO with O as the this value and an empty argument list.
            return toISO.call(O);

            // NOTE 1 The argument is ignored.

            // NOTE 2 The toJSON function is intentionally generic; it does not
            // require that its this value be a Date object. Therefore, it can be
            // transferred to other kinds of objects for use as a method. However,
            // it does require that any such object have a toISOString method. An
            // object is free to use the argument key to filter its
            // stringification.
        };
    }

// ES5 15.9.4.2
// http://es5.github.com/#x15.9.4.2
// based on work shared by Daniel Friesen (dantman)
// http://gist.github.com/303249
    var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 1e15;
    var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) || !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || !isNaN(Date.parse('2012-12-31T23:59:60.000Z'));
    var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z'));
    if (!Date.parse || doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) {
        // XXX global assignment won't work in embeddings that use
        // an alternate object for the context.
        /*global Date: true */
        /*eslint-disable no-undef*/
        Date = (function (NativeDate) {
            /*eslint-enable no-undef*/
            // Date.length === 7
            var DateShim = function Date(Y, M, D, h, m, s, ms) {
                var length = arguments.length;
                var date;
                if (this instanceof NativeDate) {
                    date = length === 1 && String(Y) === Y ? // isString(Y)
                        // We explicitly pass it through parse:
                        new NativeDate(DateShim.parse(Y)) :
                        // We have to manually make calls depending on argument
                        // length here
                        length >= 7 ? new NativeDate(Y, M, D, h, m, s, ms) :
                            length >= 6 ? new NativeDate(Y, M, D, h, m, s) :
                                length >= 5 ? new NativeDate(Y, M, D, h, m) :
                                    length >= 4 ? new NativeDate(Y, M, D, h) :
                                        length >= 3 ? new NativeDate(Y, M, D) :
                                            length >= 2 ? new NativeDate(Y, M) :
                                                length >= 1 ? new NativeDate(Y) :
                                                    new NativeDate();
                } else {
                    date = NativeDate.apply(this, arguments);
                }
                // Prevent mixups with unfixed Date object
                defineProperties(date, { constructor: DateShim }, true);
                return date;
            };

            // 15.9.1.15 Date Time String Format.
            var isoDateExpression = new RegExp('^' +
                '(\\d{4}|[+-]\\d{6})' + // four-digit year capture or sign +
                    // 6-digit extended year
                '(?:-(\\d{2})' + // optional month capture
                '(?:-(\\d{2})' + // optional day capture
                '(?:' + // capture hours:minutes:seconds.milliseconds
                'T(\\d{2})' + // hours capture
                ':(\\d{2})' + // minutes capture
                '(?:' + // optional :seconds.milliseconds
                ':(\\d{2})' + // seconds capture
                '(?:(\\.\\d{1,}))?' + // milliseconds capture
                ')?' +
                '(' + // capture UTC offset component
                'Z|' + // UTC capture
                '(?:' + // offset specifier +/-hours:minutes
                '([-+])' + // sign capture
                '(\\d{2})' + // hours offset capture
                ':(\\d{2})' + // minutes offset capture
                ')' +
                ')?)?)?)?' +
                '$');

            var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365];

            var dayFromMonth = function dayFromMonth(year, month) {
                var t = month > 1 ? 1 : 0;
                return (
                    months[month] +
                    Math.floor((year - 1969 + t) / 4) -
                    Math.floor((year - 1901 + t) / 100) +
                    Math.floor((year - 1601 + t) / 400) +
                    365 * (year - 1970)
                );
            };

            var toUTC = function toUTC(t) {
                return Number(new NativeDate(1970, 0, 1, 0, 0, 0, t));
            };

            // Copy any custom methods a 3rd party library may have added
            for (var key in NativeDate) {
                if (owns(NativeDate, key)) {
                    DateShim[key] = NativeDate[key];
                }
            }

            // Copy "native" methods explicitly; they may be non-enumerable
            defineProperties(DateShim, {
                now: NativeDate.now,
                UTC: NativeDate.UTC
            }, true);
            DateShim.prototype = NativeDate.prototype;
            defineProperties(DateShim.prototype, {
                constructor: DateShim
            }, true);

            // Upgrade Date.parse to handle simplified ISO 8601 strings
            DateShim.parse = function parse(string) {
                var match = isoDateExpression.exec(string);
                if (match) {
                    // parse months, days, hours, minutes, seconds, and milliseconds
                    // provide default values if necessary
                    // parse the UTC offset component
                    var year = Number(match[1]),
                        month = Number(match[2] || 1) - 1,
                        day = Number(match[3] || 1) - 1,
                        hour = Number(match[4] || 0),
                        minute = Number(match[5] || 0),
                        second = Number(match[6] || 0),
                        millisecond = Math.floor(Number(match[7] || 0) * 1000),
                    // When time zone is missed, local offset should be used
                    // (ES 5.1 bug)
                    // see https://bugs.ecmascript.org/show_bug.cgi?id=112
                        isLocalTime = Boolean(match[4] && !match[8]),
                        signOffset = match[9] === '-' ? 1 : -1,
                        hourOffset = Number(match[10] || 0),
                        minuteOffset = Number(match[11] || 0),
                        result;
                    if (
                        hour < (
                            minute > 0 || second > 0 || millisecond > 0 ?
                                24 : 25
                        ) &&
                        minute < 60 && second < 60 && millisecond < 1000 &&
                        month > -1 && month < 12 && hourOffset < 24 &&
                        minuteOffset < 60 && // detect invalid offsets
                        day > -1 &&
                        day < (
                            dayFromMonth(year, month + 1) -
                            dayFromMonth(year, month)
                        )
                    ) {
                        result = (
                                (dayFromMonth(year, month) + day) * 24 +
                                hour +
                                hourOffset * signOffset
                            ) * 60;
                        result = (
                                (result + minute + minuteOffset * signOffset) * 60 +
                                second
                            ) * 1000 + millisecond;
                        if (isLocalTime) {
                            result = toUTC(result);
                        }
                        if (-8.64e15 <= result && result <= 8.64e15) {
                            return result;
                        }
                    }
                    return NaN;
                }
                return NativeDate.parse.apply(this, arguments);
            };

            return DateShim;
        }(Date));
        /*global Date: false */
    }

// ES5 15.9.4.4
// http://es5.github.com/#x15.9.4.4
    if (!Date.now) {
        Date.now = function now() {
            return new Date().getTime();
        };
    }

//
// Number
// ======
//

// ES5.1 15.7.4.5
// http://es5.github.com/#x15.7.4.5
    var hasToFixedBugs = NumberPrototype.toFixed && (
            (0.00008).toFixed(3) !== '0.000' ||
            (0.9).toFixed(0) !== '1' ||
            (1.255).toFixed(2) !== '1.25' ||
            (1000000000000000128).toFixed(0) !== '1000000000000000128'
        );

    var toFixedHelpers = {
        base: 1e7,
        size: 6,
        data: [0, 0, 0, 0, 0, 0],
        multiply: function multiply(n, c) {
            var i = -1;
            var c2 = c;
            while (++i < toFixedHelpers.size) {
                c2 += n * toFixedHelpers.data[i];
                toFixedHelpers.data[i] = c2 % toFixedHelpers.base;
                c2 = Math.floor(c2 / toFixedHelpers.base);
            }
        },
        divide: function divide(n) {
            var i = toFixedHelpers.size, c = 0;
            while (--i >= 0) {
                c += toFixedHelpers.data[i];
                toFixedHelpers.data[i] = Math.floor(c / n);
                c = (c % n) * toFixedHelpers.base;
            }
        },
        numToString: function numToString() {
            var i = toFixedHelpers.size;
            var s = '';
            while (--i >= 0) {
                if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) {
                    var t = String(toFixedHelpers.data[i]);
                    if (s === '') {
                        s = t;
                    } else {
                        s += '0000000'.slice(0, 7 - t.length) + t;
                    }
                }
            }
            return s;
        },
        pow: function pow(x, n, acc) {
            return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc)));
        },
        log: function log(x) {
            var n = 0;
            var x2 = x;
            while (x2 >= 4096) {
                n += 12;
                x2 /= 4096;
            }
            while (x2 >= 2) {
                n += 1;
                x2 /= 2;
            }
            return n;
        }
    };

    defineProperties(NumberPrototype, {
        toFixed: function toFixed(fractionDigits) {
            var f, x, s, m, e, z, j, k;

            // Test for NaN and round fractionDigits down
            f = Number(fractionDigits);
            f = f !== f ? 0 : Math.floor(f);

            if (f < 0 || f > 20) {
                throw new RangeError('Number.toFixed called with invalid number of decimals');
            }

            x = Number(this);

            // Test for NaN
            if (x !== x) {
                return 'NaN';
            }

            // If it is too big or small, return the string value of the number
            if (x <= -1e21 || x >= 1e21) {
                return String(x);
            }

            s = '';

            if (x < 0) {
                s = '-';
                x = -x;
            }

            m = '0';

            if (x > 1e-21) {
                // 1e-21 < x < 1e21
                // -70 < log2(x) < 70
                e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69;
                z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / toFixedHelpers.pow(2, e, 1));
                z *= 0x10000000000000; // Math.pow(2, 52);
                e = 52 - e;

                // -18 < e < 122
                // x = z / 2 ^ e
                if (e > 0) {
                    toFixedHelpers.multiply(0, z);
                    j = f;

                    while (j >= 7) {
                        toFixedHelpers.multiply(1e7, 0);
                        j -= 7;
                    }

                    toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);
                    j = e - 1;

                    while (j >= 23) {
                        toFixedHelpers.divide(1 << 23);
                        j -= 23;
                    }

                    toFixedHelpers.divide(1 << j);
                    toFixedHelpers.multiply(1, 1);
                    toFixedHelpers.divide(2);
                    m = toFixedHelpers.numToString();
                } else {
                    toFixedHelpers.multiply(0, z);
                    toFixedHelpers.multiply(1 << (-e), 0);
                    m = toFixedHelpers.numToString() + '0.00000000000000000000'.slice(2, 2 + f);
                }
            }

            if (f > 0) {
                k = m.length;

                if (k <= f) {
                    m = s + '0.0000000000000000000'.slice(0, f - k + 2) + m;
                } else {
                    m = s + m.slice(0, k - f) + '.' + m.slice(k - f);
                }
            } else {
                m = s + m;
            }

            return m;
        }
    }, hasToFixedBugs);

//
// String
// ======
//

// ES5 15.5.4.14
// http://es5.github.com/#x15.5.4.14

// [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
// Many browsers do not split properly with regular expressions or they
// do not perform the split correctly under obscure conditions.
// See http://blog.stevenlevithan.com/archives/cross-browser-split
// I've tested in many browsers and this seems to cover the deviant ones:
//    'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
//    '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
//    'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
//       [undefined, "t", undefined, "e", ...]
//    ''.split(/.?/) should be [], not [""]
//    '.'.split(/()()/) should be ["."], not ["", "", "."]

    var string_split = StringPrototype.split;
    if (
        'ab'.split(/(?:ab)*/).length !== 2 ||
        '.'.split(/(.?)(.?)/).length !== 4 ||
        'tesst'.split(/(s)*/)[1] === 't' ||
        'test'.split(/(?:)/, -1).length !== 4 ||
        ''.split(/.?/).length ||
        '.'.split(/()()/).length > 1
    ) {
        (function () {
            var compliantExecNpcg = typeof (/()??/).exec('')[1] === 'undefined'; // NPCG: nonparticipating capturing group

            StringPrototype.split = function (separator, limit) {
                var string = this;
                if (typeof separator === 'undefined' && limit === 0) {
                    return [];
                }

                // If `separator` is not a regex, use native split
                if (!isRegex(separator)) {
                    return string_split.call(this, separator, limit);
                }

                var output = [];
                var flags = (separator.ignoreCase ? 'i' : '') +
                        (separator.multiline ? 'm' : '') +
                        (separator.extended ? 'x' : '') + // Proposed for ES6
                        (separator.sticky ? 'y' : ''), // Firefox 3+
                    lastLastIndex = 0,
                // Make `global` and avoid `lastIndex` issues by working with a copy
                    separator2, match, lastIndex, lastLength;
                var separatorCopy = new RegExp(separator.source, flags + 'g');
                string += ''; // Type-convert
                if (!compliantExecNpcg) {
                    // Doesn't need flags gy, but they don't hurt
                    separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags);
                }
                /* Values for `limit`, per the spec:
                 * If undefined: 4294967295 // Math.pow(2, 32) - 1
                 * If 0, Infinity, or NaN: 0
                 * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
                 * If negative number: 4294967296 - Math.floor(Math.abs(limit))
                 * If other: Type-convert, then use the above rules
                 */
                var splitLimit = typeof limit === 'undefined' ?
                -1 >>> 0 : // Math.pow(2, 32) - 1
                    ES.ToUint32(limit);
                match = separatorCopy.exec(string);
                while (match) {
                    // `separatorCopy.lastIndex` is not reliable cross-browser
                    lastIndex = match.index + match[0].length;
                    if (lastIndex > lastLastIndex) {
                        output.push(string.slice(lastLastIndex, match.index));
                        // Fix browsers whose `exec` methods don't consistently return `undefined` for
                        // nonparticipating capturing groups
                        if (!compliantExecNpcg && match.length > 1) {
                            /*eslint-disable no-loop-func */
                            match[0].replace(separator2, function () {
                                for (var i = 1; i < arguments.length - 2; i++) {
                                    if (typeof arguments[i] === 'undefined') {
                                        match[i] = void 0;
                                    }
                                }
                            });
                            /*eslint-enable no-loop-func */
                        }
                        if (match.length > 1 && match.index < string.length) {
                            array_push.apply(output, match.slice(1));
                        }
                        lastLength = match[0].length;
                        lastLastIndex = lastIndex;
                        if (output.length >= splitLimit) {
                            break;
                        }
                    }
                    if (separatorCopy.lastIndex === match.index) {
                        separatorCopy.lastIndex++; // Avoid an infinite loop
                    }
                    match = separatorCopy.exec(string);
                }
                if (lastLastIndex === string.length) {
                    if (lastLength || !separatorCopy.test('')) {
                        output.push('');
                    }
                } else {
                    output.push(string.slice(lastLastIndex));
                }
                return output.length > splitLimit ? output.slice(0, splitLimit) : output;
            };
        }());

// [bugfix, chrome]
// If separator is undefined, then the result array contains just one String,
// which is the this value (converted to a String). If limit is not undefined,
// then the output array is truncated so that it contains no more than limit
// elements.
// "0".split(undefined, 0) -> []
    } else if ('0'.split(void 0, 0).length) {
        StringPrototype.split = function split(separator, limit) {
            if (typeof separator === 'undefined' && limit === 0) { return []; }
            return string_split.call(this, separator, limit);
        };
    }

    var str_replace = StringPrototype.replace;
    var replaceReportsGroupsCorrectly = (function () {
        var groups = [];
        'x'.replace(/x(.)?/g, function (match, group) {
            groups.push(group);
        });
        return groups.length === 1 && typeof groups[0] === 'undefined';
    }());

    if (!replaceReportsGroupsCorrectly) {
        StringPrototype.replace = function replace(searchValue, replaceValue) {
            var isFn = isCallable(replaceValue);
            var hasCapturingGroups = isRegex(searchValue) && (/\)[*?]/).test(searchValue.source);
            if (!isFn || !hasCapturingGroups) {
                return str_replace.call(this, searchValue, replaceValue);
            } else {
                var wrappedReplaceValue = function (match) {
                    var length = arguments.length;
                    var originalLastIndex = searchValue.lastIndex;
                    searchValue.lastIndex = 0;
                    var args = searchValue.exec(match) || [];
                    searchValue.lastIndex = originalLastIndex;
                    args.push(arguments[length - 2], arguments[length - 1]);
                    return replaceValue.apply(this, args);
                };
                return str_replace.call(this, searchValue, wrappedReplaceValue);
            }
        };
    }

// ECMA-262, 3rd B.2.3
// Not an ECMAScript standard, although ECMAScript 3rd Edition has a
// non-normative section suggesting uniform semantics and it should be
// normalized across all browsers
// [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
    var string_substr = StringPrototype.substr;
    var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
    defineProperties(StringPrototype, {
        substr: function substr(start, length) {
            var normalizedStart = start;
            if (start < 0) {
                normalizedStart = Math.max(this.length + start, 0);
            }
            return string_substr.call(this, normalizedStart, length);
        }
    }, hasNegativeSubstrBug);

// ES5 15.5.4.20
// whitespace from: http://es5.github.io/#x15.5.4.20
    var ws = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
        '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028' +
        '\u2029\uFEFF';
    var zeroWidth = '\u200b';
    var wsRegexChars = '[' + ws + ']';
    var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*');
    var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$');
    var hasTrimWhitespaceBug = StringPrototype.trim && (ws.trim() || !zeroWidth.trim());
    defineProperties(StringPrototype, {
        // http://blog.stevenlevithan.com/archives/faster-trim-javascript
        // http://perfectionkills.com/whitespace-deviations/
        trim: function trim() {
            if (typeof this === 'undefined' || this === null) {
                throw new TypeError("can't convert " + this + ' to object');
            }
            return String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
        }
    }, hasTrimWhitespaceBug);

// ES-5 15.1.2.2
    if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) {
        /*global parseInt: true */
        parseInt = (function (origParseInt) {
            var hexRegex = /^0[xX]/;
            return function parseInt(str, radix) {
                var string = String(str).trim();
                var defaultedRadix = Number(radix) || (hexRegex.test(string) ? 16 : 10);
                return origParseInt(string, defaultedRadix);
            };
        }(parseInt));
    }

}));

/*!
 * https://github.com/es-shims/es5-shim
 * @license es5-shim Copyright 2009-2015 by contributors, MIT License
 * see https://github.com/es-shims/es5-shim/blob/master/LICENSE
 */

// vim: ts=4 sts=4 sw=4 expandtab

//Add semicolon to prevent IIFE from being passed as argument to concated code.
;

// UMD (Universal Module Definition)
// see https://github.com/umdjs/umd/blob/master/returnExports.js
(function (root, factory) {
    'use strict';

    /*global define, exports, module */
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(factory);
    } else if (typeof exports === 'object') {
        // Node. Does not work with strict CommonJS, but
        // only CommonJS-like enviroments that support module.exports,
        // like Node.
        module.exports = factory();
    } else {
        // Browser globals (root is window)
        root.returnExports = factory();
    }
}(this, function () {

    var call = Function.prototype.call;
    var prototypeOfObject = Object.prototype;
    var owns = call.bind(prototypeOfObject.hasOwnProperty);

// If JS engine supports accessors creating shortcuts.
    var defineGetter;
    var defineSetter;
    var lookupGetter;
    var lookupSetter;
    var supportsAccessors = owns(prototypeOfObject, '__defineGetter__');
    if (supportsAccessors) {
        /*eslint-disable no-underscore-dangle */
        defineGetter = call.bind(prototypeOfObject.__defineGetter__);
        defineSetter = call.bind(prototypeOfObject.__defineSetter__);
        lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
        lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
        /*eslint-enable no-underscore-dangle */
    }

// ES5 15.2.3.2
// http://es5.github.com/#x15.2.3.2
    if (!Object.getPrototypeOf) {
        // https://github.com/es-shims/es5-shim/issues#issue/2
        // http://ejohn.org/blog/objectgetprototypeof/
        // recommended by fschaefer on github
        //
        // sure, and webreflection says ^_^
        // ... this will nerever possibly return null
        // ... Opera Mini breaks here with infinite loops
        Object.getPrototypeOf = function getPrototypeOf(object) {
            /*eslint-disable no-proto */
            var proto = object.__proto__;
            /*eslint-enable no-proto */
            if (proto || proto === null) {
                return proto;
            } else if (object.constructor) {
                return object.constructor.prototype;
            } else {
                return prototypeOfObject;
            }
        };
    }

//ES5 15.2.3.3
//http://es5.github.com/#x15.2.3.3

    var doesGetOwnPropertyDescriptorWork = function doesGetOwnPropertyDescriptorWork(object) {
        try {
            object.sentinel = 0;
            return Object.getOwnPropertyDescriptor(object, 'sentinel').value === 0;
        } catch (exception) {
            return false;
        }
    };

//check whether getOwnPropertyDescriptor works if it's given. Otherwise,
//shim partially.
    if (Object.defineProperty) {
        var getOwnPropertyDescriptorWorksOnObject = doesGetOwnPropertyDescriptorWork({});
        var getOwnPropertyDescriptorWorksOnDom = typeof document === 'undefined' ||
            doesGetOwnPropertyDescriptorWork(document.createElement('div'));
        if (!getOwnPropertyDescriptorWorksOnDom || !getOwnPropertyDescriptorWorksOnObject) {
            var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor;
        }
    }

    if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) {
        var ERR_NON_OBJECT = 'Object.getOwnPropertyDescriptor called on a non-object: ';

        /*eslint-disable no-proto */
        Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
            if ((typeof object !== 'object' && typeof object !== 'function') || object === null) {
                throw new TypeError(ERR_NON_OBJECT + object);
            }

            // make a valiant attempt to use the real getOwnPropertyDescriptor
            // for I8's DOM elements.
            if (getOwnPropertyDescriptorFallback) {
                try {
                    return getOwnPropertyDescriptorFallback.call(Object, object, property);
                } catch (exception) {
                    // try the shim if the real one doesn't work
                }
            }

            var descriptor;

            // If object does not owns property return undefined immediately.
            if (!owns(object, property)) {
                return descriptor;
            }

            // If object has a property then it's for sure both `enumerable` and
            // `configurable`.
            descriptor = { enumerable: true, configurable: true };

            // If JS engine supports accessor properties then property may be a
            // getter or setter.
            if (supportsAccessors) {
                // Unfortunately `__lookupGetter__` will return a getter even
                // if object has own non getter property along with a same named
                // inherited getter. To avoid misbehavior we temporary remove
                // `__proto__` so that `__lookupGetter__` will return getter only
                // if it's owned by an object.
                var prototype = object.__proto__;
                var notPrototypeOfObject = object !== prototypeOfObject;
                // avoid recursion problem, breaking in Opera Mini when
                // Object.getOwnPropertyDescriptor(Object.prototype, 'toString')
                // or any other Object.prototype accessor
                if (notPrototypeOfObject) {
                    object.__proto__ = prototypeOfObject;
                }

                var getter = lookupGetter(object, property);
                var setter = lookupSetter(object, property);

                if (notPrototypeOfObject) {
                    // Once we have getter and setter we can put values back.
                    object.__proto__ = prototype;
                }

                if (getter || setter) {
                    if (getter) {
                        descriptor.get = getter;
                    }
                    if (setter) {
                        descriptor.set = setter;
                    }
                    // If it was accessor property we're done and return here
                    // in order to avoid adding `value` to the descriptor.
                    return descriptor;
                }
            }

            // If we got this far we know that object has an own property that is
            // not an accessor so we set it as a value and return descriptor.
            descriptor.value = object[property];
            descriptor.writable = true;
            return descriptor;
        };
        /*eslint-enable no-proto */
    }

// ES5 15.2.3.4
// http://es5.github.com/#x15.2.3.4
    if (!Object.getOwnPropertyNames) {
        Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
            return Object.keys(object);
        };
    }

// ES5 15.2.3.5
// http://es5.github.com/#x15.2.3.5
    if (!Object.create) {

        // Contributed by Brandon Benvie, October, 2012
        var createEmpty;
        var supportsProto = !({ __proto__: null } instanceof Object);
        // the following produces false positives
        // in Opera Mini => not a reliable check
        // Object.prototype.__proto__ === null
        /*global document */
        if (supportsProto || typeof document === 'undefined') {
            createEmpty = function () {
                return { __proto__: null };
            };
        } else {
            // In old IE __proto__ can't be used to manually set `null`, nor does
            // any other method exist to make an object that inherits from nothing,
            // aside from Object.prototype itself. Instead, create a new global
            // object and *steal* its Object.prototype and strip it bare. This is
            // used as the prototype to create nullary objects.
            createEmpty = function () {
                var iframe = document.createElement('iframe');
                var parent = document.body || document.documentElement;
                iframe.style.display = 'none';
                parent.appendChild(iframe);
                /*eslint-disable no-script-url */
                iframe.src = 'javascript:';
                /*eslint-enable no-script-url */
                var empty = iframe.contentWindow.Object.prototype;
                parent.removeChild(iframe);
                iframe = null;
                delete empty.constructor;
                delete empty.hasOwnProperty;
                delete empty.propertyIsEnumerable;
                delete empty.isPrototypeOf;
                delete empty.toLocaleString;
                delete empty.toString;
                delete empty.valueOf;
                /*eslint-disable no-proto */
                empty.__proto__ = null;
                /*eslint-enable no-proto */

                var Empty = function Empty() {};
                Empty.prototype = empty;
                // short-circuit future calls
                createEmpty = function () {
                    return new Empty();
                };
                return new Empty();
            };
        }

        Object.create = function create(prototype, properties) {

            var object;
            var Type = function Type() {}; // An empty constructor.

            if (prototype === null) {
                object = createEmpty();
            } else {
                if (typeof prototype !== 'object' && typeof prototype !== 'function') {
                    // In the native implementation `parent` can be `null`
                    // OR *any* `instanceof Object`  (Object|Function|Array|RegExp|etc)
                    // Use `typeof` tho, b/c in old IE, DOM elements are not `instanceof Object`
                    // like they are in modern browsers. Using `Object.create` on DOM elements
                    // is...err...probably inappropriate, but the native version allows for it.
                    throw new TypeError('Object prototype may only be an Object or null'); // same msg as Chrome
                }
                Type.prototype = prototype;
                object = new Type();
                // IE has no built-in implementation of `Object.getPrototypeOf`
                // neither `__proto__`, but this manually setting `__proto__` will
                // guarantee that `Object.getPrototypeOf` will work as expected with
                // objects created using `Object.create`
                /*eslint-disable no-proto */
                object.__proto__ = prototype;
                /*eslint-enable no-proto */
            }

            if (properties !== void 0) {
                Object.defineProperties(object, properties);
            }

            return object;
        };
    }

// ES5 15.2.3.6
// http://es5.github.com/#x15.2.3.6

// Patch for WebKit and IE8 standard mode
// Designed by hax <hax.github.com>
// related issue: https://github.com/es-shims/es5-shim/issues#issue/5
// IE8 Reference:
//     http://msdn.microsoft.com/en-us/library/dd282900.aspx
//     http://msdn.microsoft.com/en-us/library/dd229916.aspx
// WebKit Bugs:
//     https://bugs.webkit.org/show_bug.cgi?id=36423

    var doesDefinePropertyWork = function doesDefinePropertyWork(object) {
        try {
            Object.defineProperty(object, 'sentinel', {});
            return 'sentinel' in object;
        } catch (exception) {
            return false;
        }
    };

// check whether defineProperty works if it's given. Otherwise,
// shim partially.
    if (Object.defineProperty) {
        var definePropertyWorksOnObject = doesDefinePropertyWork({});
        var definePropertyWorksOnDom = typeof document === 'undefined' ||
            doesDefinePropertyWork(document.createElement('div'));
        if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
            var definePropertyFallback = Object.defineProperty,
                definePropertiesFallback = Object.defineProperties;
        }
    }

    if (!Object.defineProperty || definePropertyFallback) {
        var ERR_NON_OBJECT_DESCRIPTOR = 'Property description must be an object: ';
        var ERR_NON_OBJECT_TARGET = 'Object.defineProperty called on non-object: ';
        var ERR_ACCESSORS_NOT_SUPPORTED = 'getters & setters can not be defined on this javascript engine';

        Object.defineProperty = function defineProperty(object, property, descriptor) {
            if ((typeof object !== 'object' && typeof object !== 'function') || object === null) {
                throw new TypeError(ERR_NON_OBJECT_TARGET + object);
            }
            if ((typeof descriptor !== 'object' && typeof descriptor !== 'function') || descriptor === null) {
                throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
            }
            // make a valiant attempt to use the real defineProperty
            // for I8's DOM elements.
            if (definePropertyFallback) {
                try {
                    return definePropertyFallback.call(Object, object, property, descriptor);
                } catch (exception) {
                    // try the shim if the real one doesn't work
                }
            }

            // If it's a data property.
            if ('value' in descriptor) {
                // fail silently if 'writable', 'enumerable', or 'configurable'
                // are requested but not supported
                /*
                 // alternate approach:
                 if ( // can't implement these features; allow false but not true
                 ('writable' in descriptor && !descriptor.writable) ||
                 ('enumerable' in descriptor && !descriptor.enumerable) ||
                 ('configurable' in descriptor && !descriptor.configurable)
                 ))
                 throw new RangeError(
                 'This implementation of Object.defineProperty does not support configurable, enumerable, or writable.'
                 );
                 */

                if (supportsAccessors && (lookupGetter(object, property) || lookupSetter(object, property))) {
                    // As accessors are supported only on engines implementing
                    // `__proto__` we can safely override `__proto__` while defining
                    // a property to make sure that we don't hit an inherited
                    // accessor.
                    /*eslint-disable no-proto */
                    var prototype = object.__proto__;
                    object.__proto__ = prototypeOfObject;
                    // Deleting a property anyway since getter / setter may be
                    // defined on object itself.
                    delete object[property];
                    object[property] = descriptor.value;
                    // Setting original `__proto__` back now.
                    object.__proto__ = prototype;
                    /*eslint-enable no-proto */
                } else {
                    object[property] = descriptor.value;
                }
            } else {
                if (!supportsAccessors) {
                    throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
                }
                // If we got that far then getters and setters can be defined !!
                if ('get' in descriptor) {
                    defineGetter(object, property, descriptor.get);
                }
                if ('set' in descriptor) {
                    defineSetter(object, property, descriptor.set);
                }
            }
            return object;
        };
    }

// ES5 15.2.3.7
// http://es5.github.com/#x15.2.3.7
    if (!Object.defineProperties || definePropertiesFallback) {
        Object.defineProperties = function defineProperties(object, properties) {
            // make a valiant attempt to use the real defineProperties
            if (definePropertiesFallback) {
                try {
                    return definePropertiesFallback.call(Object, object, properties);
                } catch (exception) {
                    // try the shim if the real one doesn't work
                }
            }

            Object.keys(properties).forEach(function (property) {
                if (property !== '__proto__') {
                    Object.defineProperty(object, property, properties[property]);
                }
            });
            return object;
        };
    }

// ES5 15.2.3.8
// http://es5.github.com/#x15.2.3.8
    if (!Object.seal) {
        Object.seal = function seal(object) {
            if (Object(object) !== object) {
                throw new TypeError('Object.seal can only be called on Objects.');
            }
            // this is misleading and breaks feature-detection, but
            // allows "securable" code to "gracefully" degrade to working
            // but insecure code.
            return object;
        };
    }

// ES5 15.2.3.9
// http://es5.github.com/#x15.2.3.9
    if (!Object.freeze) {
        Object.freeze = function freeze(object) {
            if (Object(object) !== object) {
                throw new TypeError('Object.freeze can only be called on Objects.');
            }
            // this is misleading and breaks feature-detection, but
            // allows "securable" code to "gracefully" degrade to working
            // but insecure code.
            return object;
        };
    }

// detect a Rhino bug and patch it
    try {
        Object.freeze(function () {});
    } catch (exception) {
        Object.freeze = (function (freezeObject) {
            return function freeze(object) {
                if (typeof object === 'function') {
                    return object;
                } else {
                    return freezeObject(object);
                }
            };
        }(Object.freeze));
    }

// ES5 15.2.3.10
// http://es5.github.com/#x15.2.3.10
    if (!Object.preventExtensions) {
        Object.preventExtensions = function preventExtensions(object) {
            if (Object(object) !== object) {
                throw new TypeError('Object.preventExtensions can only be called on Objects.');
            }
            // this is misleading and breaks feature-detection, but
            // allows "securable" code to "gracefully" degrade to working
            // but insecure code.
            return object;
        };
    }

// ES5 15.2.3.11
// http://es5.github.com/#x15.2.3.11
    if (!Object.isSealed) {
        Object.isSealed = function isSealed(object) {
            if (Object(object) !== object) {
                throw new TypeError('Object.isSealed can only be called on Objects.');
            }
            return false;
        };
    }

// ES5 15.2.3.12
// http://es5.github.com/#x15.2.3.12
    if (!Object.isFrozen) {
        Object.isFrozen = function isFrozen(object) {
            if (Object(object) !== object) {
                throw new TypeError('Object.isFrozen can only be called on Objects.');
            }
            return false;
        };
    }

// ES5 15.2.3.13
// http://es5.github.com/#x15.2.3.13
    if (!Object.isExtensible) {
        Object.isExtensible = function isExtensible(object) {
            // 1. If Type(O) is not Object throw a TypeError exception.
            if (Object(object) !== object) {
                throw new TypeError('Object.isExtensible can only be called on Objects.');
            }
            // 2. Return the Boolean value of the [[Extensible]] internal property of O.
            var name = '';
            while (owns(object, name)) {
                name += '?';
            }
            object[name] = true;
            var returnValue = owns(object, name);
            delete object[name];
            return returnValue;
        };
    }

}));


(function() {
    var lastTime = 0;
    var vendors = ['webkit', 'moz'];
    for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
        window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
        window.cancelAnimationFrame =
            window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame'];
    }

    if (!window.requestAnimationFrame)
        window.requestAnimationFrame = function(callback, element) {
            var currTime = new Date().getTime();
            var timeToCall = Math.max(0, 16 - (currTime - lastTime));
            var id = window.setTimeout(function() { callback(currTime + timeToCall); },
                timeToCall);
            lastTime = currTime + timeToCall;
            return id;
        };

    if (!window.cancelAnimationFrame)
        window.cancelAnimationFrame = function(id) {
            clearTimeout(id);
        };
}());